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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Data source: Structured from factory data; final measured values prevail.

Overall dimensions (W × D × H)	650 × 650 × 1180 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 mm
Lumbar Support Zone Height	240 mm
Clear Width Between Armrests	540 mm

PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Data source: Product performance data; verify exact test conditions before procurement.

Suggested user weight capacity	136 kg static rated load
Chair net weight	18.5 kg
Foam density seat	45 kg/m3 molded high-resilience polyurethane
Foam density back padding	35 kg/m3 polyurethane comfort layer
Foam rebound resilience	42%
Mesh fabric abrasion resistance	50,000 Martindale cycles
Upholstery abrasion resistance	30,000 Martindale cycles
Seat static load verification	136 kg for 1 hour
Caster rolling durability	100,000 cycles on hard-floor test track
Gas lift cycle durability	100,000 height-adjustment cycles

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Backrest support	Black flexible mesh stretched over a black framed outer back with two horizontal support zones
Seat surface	Black woven fabric or mesh top over a contoured padded cushion
Seat cushion	Molded polyurethane foam with rounded waterfall front edge
Arm pads	Black polyurethane or soft-touch polymer pads on height-adjustable supports
Arm support structure	Black powder-coated steel or die-cast support with polymer trim
Base and casters	Polished aluminum five-star base with black-and-white nylon twin-wheel casters

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic side-lever lift through a 90 mm stroke, using a 50 mm class-4 gas cylinder
Back recline and tension	Synchronized tilt mechanism with 18-degree recline, tension knob, and upright lock position
360-degree swivel	Full rotation around the central gas-lift swivel bearing
Armrest adjustment	Height-adjustable padded arms with underside release triggers and 70 mm vertical travel

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Gross weight per carton	21.5 kg
Reference Package Count	1 set / 2 cartons
Reference Assembly Time	40 minutes per set
Reference Carton Dimensions	850× 420× 720 mm
Reference Packaged Gross Weight	23 kg/set
Reference Carton Volume	0.26 m³/set

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Primary workplace use	Open-plan workstations, private offices, and home offices needing adjustable lumbar support, swivel access, and rolling mobility
Procurement configuration	Specify in batches of 10 or more for desk-based staff, with hard-floor caster variant and fabric-sample approval before bulk order

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 office seating dimensions	Use dimensions and dimensional test methods to verify seat, back, and adjustment ranges
EN 1335-2 office seating safety	Require structural safety, stability, and caster/gas-lift integrity checks
EN 1335-3 office seating test methods	Specify static load, durability, and impact testing under laboratory methods
EN 1022 seating stability	Verify front, rear, and sideways stability for a swivel chair on casters

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 caster durability clause	Require 100,000-cycle rolling verification for the supplied 60 mm twin-wheel casters
ANSI/BIFMA e3 furniture sustainability	Request recycled-content, material disclosure, and low-emission documentation if required by the project

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3 furniture mechanical test	Apply seat and back strength/durability test methods for office seating
GB/T 3324 wooden furniture general specification	Use only if supplier declares wood-composite structural panels, with dimensional and coating inspection
GB 18584 indoor furniture limited harmful substances	Require formaldehyde and soluble-metal limits for any wood-based panel components
GB/T 2960 office chair terminology and quality inspection	Use as a dimensional, appearance, and functional inspection reference

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3 furniture mechanical test: Apply seat and back strength/durability test methods for office seating;
2. GB/T 3324 wooden furniture general specification: Use only if supplier declares wood-composite structural panels, with dimensional and coating inspection;
3. GB 18584 indoor furniture limited harmful substances: Require formaldehyde and soluble-metal limits for any wood-based panel components;
4. GB/T 2960 office chair terminology and quality inspection: Use as a dimensional, appearance, and functional inspection reference;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

GENERATED EXPORTS

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PDF · OC-MESH-AR5-ALB

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English title, specifications, materials, standards and purchasing fields.

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Product Description

The Black Mesh Ergonomic Task Chair with Height-Adjustable Arms is a professional seating solution for desk-based work, combining a streamlined black appearance with functional adjustment. Model OC-MESH-AR5-ALB is offered as an unbranded ergonomic office chair, making it suitable for standardized workplace fitting where a consistent visual specification is preferred. Its high-back form uses a black flexible mesh backrest stretched over a matching framed outer back, with two horizontal support zones and a defined lumbar support area. The black seat is contoured and upholstered over a molded cushion with a rounded waterfall front edge, while black padded armrests and a polished aluminum five-star base complete the visual composition. The chair has a 540 mm clear width between the armrests, a 90 mm seat cushion, and 70 mm of backrest padding. Its 240 mm lumbar support zone is designed to align with the lower back during regular task seating. Construction balances breathable support and padded comfort. The backrest combines flexible mesh with a comfort layer, while the seat uses 45 kg/m3 molded high-resilience polyurethane foam with 42% rebound resilience. Back padding uses 35 kg/m3 polyurethane. The mesh is rated for 50,000 Martindale abrasion cycles, and the upholstery for 30,000 cycles. Arm pads are black polyurethane or soft-touch polymer, mounted on height-adjustable supports with painted steel structure, described also as black powder-coated steel or die-cast support with polymer trim. Mobility is provided by a polished aluminum five-star base, black-and-white nylon twin-wheel casters, and a chrome gas lift. Daily operation is supported by pneumatic seat-height adjustment through a 90 mm stroke using a 50 mm class-4 gas cylinder, controlled by a side lever. The synchronized tilt mechanism provides an 18-degree recline, an adjustable tension knob, and an upright lock position. Full 360-degree swivel access supports multitasking at a workstation, and the padded arms adjust through 70 mm of vertical travel using underside release triggers. The chair has a static rated load of 136 kg and a net weight of 18.5 kg. It is appropriate for open-plan workstations, private offices, and home offices that require adjustable lumbar support, swivel access, and rolling mobility. For procurement, the chair should be specified in batches of 10 or more for desk-based staff. Buyers should select the hard-floor caster variant where required and approve a fabric sample before placing a bulk order. Each set ships in two cartons, with packaged gross weight of 23 kg, carton dimensions of 850 by 420 by 720 mm, and package volume of 0.26 cubic meter per set. Reference assembly time is 40 minutes per set.

Black Mesh Ergonomic Task Chair with Height-Adjustable Arms Specifications

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